CiteScore: 0.52ℹ
CiteScore is the number of citations received in one year (Y), to documents published in the three previous years (Y-1, Y-2, Y-3), divided by the number of documents published in those same three years (Y-1, Y-2, Y-3).

Source Normalized Impact per Paper (SNIP): 0.954ℹSource Normalized Impact per Paper (SNIP):2015: 0.954SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.

SCImago Journal Rank (SJR): 0.542ℹSCImago Journal Rank (SJR):2015: 0.542SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.

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In an earlier paper written for a different readership [Computers and Graphics 13(2) (1989) 159–166] the first author defined a digital fundamental group—an analog, for binary digital pictures, of the...

In this paper we study generalized closed sets in the sense of N. Levine. We will consider the question of when some classes of generalized closed sets coincide. Also, some lower separation axioms weaker...

We introduce the notions of pseudo-orbit entropy, periodic pseudo-orbit entropy and pseudo-orbit point entropy for continuous maps on compact uniform spaces, and study their relationships with the topological...

We give some sufficient conditions that a point can be approximated by an entropy point in terms of the sensitivity and the shadowing property. More precisely, we prove that for a continuous self-map...

A topological space X is called discretely generated if for any A⊆X and x∈A‾ there exists a discrete set D⊆A such that x∈D‾. We solve the Problems 3.19 and 3.3 in [2]. Problem 3.19: Does the space {ξ}∪ω...

We present a concise survey of old and new results concerning cardinal functions on topological groups and then establish various relations between the classes of σ-compact, ℵ0-bounded and R-factorizable...

Let X and Y be Tychonoff spaces and C(X, Y) be the space of all continuous functions from X to Y. The coincidence of the fine topology with other function space topologies on C(X, Y) is discussed. Also...

Motivated by a problem in computer graphics, we develop a finite analog of the Jordan curve theorem in the following context. We define a connected topology on a finite ordered set; our plane is then...

The experimental method comparative genomic hybridization (CGH) array provides a full picture of chromosome amplifications and deletions of an individual's genome. The multi-dimensional nature of these...

G-methods and G-continuity for real functions are induced by changing the definition of the convergence of sequences on the set of real numbers. In this paper we introduce the concepts of G-methods,...

In this paper, we bring together results about the existence of a somewhere dense (resp. dense) orbit and the minimal number of generators for abelian semigroups of matrices on Rn. We solve the problem...

A water hammer is a pressure wave that occurs, accidentally or intentionally, in a filled liquid pipeline when a tap is suddenly closed, or a pump starts or stops, or when a valve closes or opens. A...

Let F(X) be the free topological group on a Tychonoff space X. For all natural numbers n we denote by Fn(X) the subset of F(X) consisting of all words of reduced length ≤n. In [10], the author found...